CN117949310A - Filter skeleton deformation amount measuring device - Google Patents
Filter skeleton deformation amount measuring device Download PDFInfo
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- CN117949310A CN117949310A CN202410069085.2A CN202410069085A CN117949310A CN 117949310 A CN117949310 A CN 117949310A CN 202410069085 A CN202410069085 A CN 202410069085A CN 117949310 A CN117949310 A CN 117949310A
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- filter
- skeleton
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- test
- end cover
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- 238000012360 testing method Methods 0.000 claims abstract description 32
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 9
- 238000004043 dyeing Methods 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a filter skeleton deformation measuring device, its purpose provides a can real-time measurement filter skeleton deformation measuring device, and power device motor (3) and hydraulic pump (4) are installed below rack (7) through the shaft coupling connection; the front end cover (10) and the rear end cover (11) are arranged on the test filter (1) through bolts; the test filter (1) is positioned above the rack (7) and is fixed on the filter mounting seat (9) through bolts; the hydraulic pipe (5) is connected with the front end cover (10) of the filter and the rear end cover (11) of the rear filter; the inlet pressure gauge, the outlet pressure gauge (2) and the skeleton deformation digital display tube (6) are arranged above the rack (7); the oil tank (8) is arranged above the rack (7).
Description
Technical Field
The invention relates to the technical field of filters, in particular to a deformation measuring technology for measuring filter frameworks with different specifications.
Background
The filter skeleton deformation measuring device is a test bed for measuring the skeleton deformation. Along with the entering hydraulic system of pollutant particles, the filter can intercept pollutant particles in the filter gradually as hydraulic system's cleaning device, can lead to the inside and outside differential pressure of skeleton grow at this moment, probably leads to the skeleton to warp inefficacy at last, can not guarantee hydraulic system's security. The service life of the filter depends on the strength of the framework to a great extent, and in order to accurately know the deformation condition of the framework in real time, the deformation of the framework needs to be measured in real time as a basis for judging the failure of the framework, so that the framework is replaced in time. Therefore, aiming at the important degree of the strength of the existing filter framework and the design defect that the strength of the existing filter framework is difficult to overcome, a device for measuring the deformation of the framework in real time is designed.
Disclosure of Invention
The invention aims to provide a measuring device capable of measuring deformation quantity of a filter framework in real time.
The invention relates to a filter skeleton deformation measuring device which comprises a test filter 1, an inlet and outlet pressure gauge 2, a motor 3, a hydraulic pump 4, a hydraulic pipe 5, a digital display pipe 6, a rack 7, an oil tank 8, a test filter mounting seat 9, a filter front end cover 10, a filter rear end cover 11, a flange cover 12, a cover layer 13, a metal wire strain gauge 14, an insulating substrate 15 and an outgoing line 16, wherein the motor 3 and the hydraulic pump 4 of the power device are connected and arranged below the rack 7 through a coupling; the filter front end cover 10 and the filter rear end cover 11 are mounted on the test filter 1 through bolts; the test filter 1 is positioned above the bench 7 and is fixed on the filter mounting seat 9 through bolts; the hydraulic pipe 5 is connected to a front filter end cover 10 and a rear filter end cover 11; the inlet pressure gauge, the outlet pressure gauge 2 and the skeleton deformation digital display tube 6 are arranged above the rack 7; the oil tank 8 is mounted above the gantry 7.
The beneficial effects of the invention are as follows:
1. According to the invention, the framework deformation can be tested by randomly adjusting different pressures in the range of the bearing pressure of the filter through the hydraulic control system, so that the testing requirements of different actual working conditions are met.
2. The measuring device can conveniently replace skeletons with different meshes and filter screens with different filter ratios, and can measure the deformation of the skeletons under the condition of different filter ratios.
3. Visual reading and convenient operation: the measuring circuit system adopted by the invention is connected with two sets of detection instruments, namely the digital display type transistor display and the direct-reading pressure gauge, so that the real-time running condition of the calibrating device can be conveniently calibrated, and the automation level is improved.
Drawings
FIG. 1 is a front view of a filter skeleton deformation measuring device; FIG. 2 is a side view of a filter skeleton deformation measuring device; FIG. 3 is a schematic diagram of a filter structure; FIG. 4, wire strain gauge circuit layout; FIG. 5, wire sensor mounting position; FIG. 6 is a top view of a wire sensor installation; fig. 7. Dc bridge test circuit. Reference numerals illustrate: test filter 1, inlet and outlet manometer 2, motor 3, hydraulic pump 4, hydraulic pipe 5, digital display pipe 6, rack 7, oil tank 8, test filter mount pad 9, filter front end housing 10, screw hole 10a, oil inlet 10b, filter upstream flow channel 1a, filter housing 1b, skeleton end housing 1c, skeleton 1d, filter screen 1e, filter downstream flow channel 1f, positioning groove 1g, filter rear end housing 11, oil outlet 11a, flange cover 12, pollution transmitter 12a, screw hole 12b, positioning groove 12c, cover layer 13, sensor (wire strain gauge) 14, insulating substrate 15, and lead-out wire 16.
Detailed Description
The invention relates to a filter skeleton deformation measuring device which comprises a test filter 1, an inlet and outlet pressure gauge 2, a motor 3, a hydraulic pump 4, a hydraulic pipe 5, a digital display pipe 6, a rack 7, an oil tank 8, a test filter mounting seat 9, a filter front end cover 10, a filter rear end cover 11, a flange cover 12, a cover layer 13, a metal wire strain gauge 14, an insulating substrate 15 and an outgoing line 16, wherein the motor 3 and the hydraulic pump 4 of the power device are connected and arranged below the rack 7 through a coupling; the filter front end cover 10 and the filter rear end cover 11 are mounted on the test filter 1 through bolts; the test filter 1 is positioned above the bench 7 and is fixed on the filter mounting seat 9 through bolts; the hydraulic pipe 5 is connected to a front filter end cover 10 and a rear filter end cover 11; the inlet pressure gauge, the outlet pressure gauge 2 and the skeleton deformation digital display tube 6 are arranged above the rack 7; the oil tank 8 is mounted above the gantry 7.
In the above-mentioned deformation measuring device for a filter skeleton, the skeleton 1d and the filter screen 1e are mounted on the test filter 1, the skeleton 1d and the filter screen 1e are coaxially mounted in the clamping groove of the skeleton end cover 1c, and the housing 1b of the test filter 1 is provided with a mounting positioning groove 1g for fixing the skeleton end cover 1c; the flange cover 12 is also provided with a mounting and positioning groove 12c for fixing the lower ends of the framework 1d and the filter screen 1 e; the flange cover 12 is provided with a threaded hole 12b for connecting with the shell 1b, and the flange cover 12 is provided with a pollution dyeing device 12a.
In the above-mentioned deformation measuring device for a filter skeleton, a wire-type strain gauge 14 is laid on the skeleton 1d, the wire-type strain gauge 14 is laid on an insulating substrate 15, and a cover layer 13 is covered on the upper layer of the wire-type strain gauge 14; the wire strain gage 14 has an outgoing line 16 connected thereto for connecting to a test circuit.
In the above-mentioned deformation measuring device for a filter skeleton, the cover layer 13, the wire strain gauge 14, the insulating substrate 15 and the outgoing line 16 form the whole deformation measuring sensor, wherein the wire strain gauge 14 is arranged along the skeleton through-hole, four wire strain gauges 14 with the same specification are equidistantly distributed on the circumference of the skeleton 1b, and the four wire strain gauges 14 together form a direct current bridge measuring circuit.
In the filter skeleton deformation measuring device, the metal wire strain gauge 14 is connected to the bridge arm of the bridge circuit, and the resistance variable of the metal wire strain gauge 14 is converted into voltage/current, and the voltage/current is displayed in the digital display tube 6 after passing through the amplifier 17.
The technical content of the present invention is further developed below with reference to the accompanying drawings. As shown in fig. 1-2, the stand 7 divides the whole device into two layers, the lower layer is used for placing a motor and an oil pump as a power device of the whole system, and the upper layer is used for placing instruments such as a pressure gauge 2, a deformation digital display tube 6 and the like for testing a filter and an inlet and an outlet of the filter by a test bed. The filter screen 1e and the framework 1d are coaxially arranged on the framework end cover 1c, the filter screen 1e and the framework 1d are arranged in the positioning groove 1g of the filter shell 1b together, bolts are arranged on the flange cover 12b, and the whole test filter is installed. One end of the hydraulic pipeline 5 is connected with an outlet of the hydraulic pump, the other end of the hydraulic pipeline is connected with an oil inlet 10b of the front end cover 10 of the test filter, and an oil outlet 11a of the rear end cover 11 of the filter is connected with an oil return opening of the oil tank.
As shown in fig. 4 to 6, an insulating substrate 15 is first stuck on the outer side of the skeleton, wire strain gauges 14 are arranged at positions corresponding to the skeleton flow-through holes, a cover layer 13 is laid on the outer side of the wire strain gauges 14, finally lead wires are connected to the wire strain gauges 14, and four bridge arms of four bridge circuits R1, R2, R3 and R4 are equidistantly mounted around the skeleton 1d to form a ring sensor as shown in fig. 6. As shown in fig. 7, the 4-arm bridge is configured such that the resistance of the wire strain gauge 14 changes with the deformation of the skeleton 1d, the resistance change is converted into a voltage/current signal by a galvanometer, and the voltage/current signal is amplified by the amplifier 17, and the deformation is displayed on the digital display tube 6 in real time.
The size of the overflow valve is regulated in the hydraulic control system to control the pressure of the whole test system, the deformation of the framework of the filter under the variable working condition is tested, and the framework deformation can be tested under the condition of different filtering ratios by conveniently replacing frameworks and filter screens of different specifications of the filter through the flange cover 12.
Claims (5)
1. The utility model provides a filter skeleton deformation measuring device, includes test filter (1), import and export manometer (2), motor (3), hydraulic pump (4), hydraulic pipe (5), digital display tube (6), rack (7), oil tank (8), test filter mount pad (9), filter front end housing (10), filter rear end housing (11), flange lid (12), overburden (13), wire foil gage (14), insulating substrate (15), lead-out wire (16), its characterized in that, power device motor (3) and hydraulic pump (4) install in the below of rack (7) through the shaft coupling connection; the filter front end cover (10) and the filter rear end cover (11) are mounted on the test filter (1) through bolts; the test filter (1) is positioned above the rack (7) and is fixed on the filter mounting seat (9) through bolts; the hydraulic pipe (5) is connected to the front end cover (10) of the filter and the rear end cover (11) of the rear filter; the inlet pressure gauge, the outlet pressure gauge (2) and the skeleton deformation digital display tube (6) are arranged above the rack (7); the oil tank (8) is arranged above the rack (7).
2. The filter skeleton deformation measuring device according to claim 1, characterized in that the test filter (1) is provided with a skeleton (1 d) and a filter screen (1 e), the skeleton (1 d) and the filter screen (1 e) are coaxially arranged in a clamping groove of a skeleton end cover (1 c), and a shell (1 b) of the test filter (1) is provided with a mounting positioning groove (1 g) for fixing the skeleton end cover (1 c); the flange cover (12) is also provided with a mounting and positioning groove (12 c) for fixing the lower ends of the framework (1 d) and the filter screen (1 e); the flange cover (12) is provided with a threaded hole (12 b) for being connected with the shell (1 b), and the flange cover (12) is provided with a pollution dyeing device (12 a).
3. The filter skeleton deformation measuring device according to claim 1, characterized in that the skeleton (1 d) is laid with a wire-type strain gauge (14), the wire-type strain gauge (14) is laid on an insulating substrate (15), and the upper layer of the wire-type strain gauge (14) is covered with a covering layer (13); the wire strain gauge (14) is connected with an outgoing line (16) to turn on the test circuit.
4. The filter skeleton deformation measuring device according to claim 1, characterized in that the cover layer (13), the wire-type strain gauge (14), the insulating substrate (15) and the outgoing wires (16) form the whole deformation test sensor, wherein the wire-type strain gauge (14) is arranged along the skeleton through holes, four wire-type strain gauges (14) of resistors (R1, R2, R3, R4) with the same specification are equidistantly distributed on the circumference of the skeleton (1 b) to jointly form a direct current bridge test circuit.
5. The filter skeleton deformation measuring device according to claim 1, wherein the wire strain gauge (14) is connected to a bridge circuit arm, and the resistance change of the wire strain gauge (14) is converted into voltage/current and displayed in the digital display tube (6) after passing through the amplifier (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410069085.2A CN117949310A (en) | 2024-01-17 | 2024-01-17 | Filter skeleton deformation amount measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410069085.2A CN117949310A (en) | 2024-01-17 | 2024-01-17 | Filter skeleton deformation amount measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117949310A true CN117949310A (en) | 2024-04-30 |
Family
ID=90804276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410069085.2A Pending CN117949310A (en) | 2024-01-17 | 2024-01-17 | Filter skeleton deformation amount measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117949310A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090151468A1 (en) * | 2007-12-14 | 2009-06-18 | Josef Kleinschnitz | method of and apparatus for measuring the tension of a filter screen in a filter frame |
| CN202065277U (en) * | 2011-04-29 | 2011-12-07 | 柳州日高过滤器有限责任公司 | Flow-resistance characteristic testing platform for hydraulic filter |
| CN102519653A (en) * | 2011-12-15 | 2012-06-27 | 武汉理工大学 | Spring tube and foil gauge combined type digital pressure gauge |
| CN205331074U (en) * | 2015-12-30 | 2016-06-22 | 上海板机液压设备有限公司 | Convenient hydraulic system who inhales oil filter that dismantles |
| CN108267252A (en) * | 2016-12-30 | 2018-07-10 | 比亚迪股份有限公司 | Damper residual stress test device and method |
| CN109596435A (en) * | 2018-12-28 | 2019-04-09 | 洛阳双瑞金属复合材料有限公司 | A kind of test method for testing filter core critical external compressive resistance disruption properties |
| CN216792265U (en) * | 2021-12-30 | 2022-06-21 | 广州极飞科技股份有限公司 | Wind power parameter measuring device and electronic equipment |
| CN114755109A (en) * | 2022-05-12 | 2022-07-15 | 煤科(北京)检测技术有限公司 | Filter element strength testing device for hydraulic support |
-
2024
- 2024-01-17 CN CN202410069085.2A patent/CN117949310A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090151468A1 (en) * | 2007-12-14 | 2009-06-18 | Josef Kleinschnitz | method of and apparatus for measuring the tension of a filter screen in a filter frame |
| CN202065277U (en) * | 2011-04-29 | 2011-12-07 | 柳州日高过滤器有限责任公司 | Flow-resistance characteristic testing platform for hydraulic filter |
| CN102519653A (en) * | 2011-12-15 | 2012-06-27 | 武汉理工大学 | Spring tube and foil gauge combined type digital pressure gauge |
| CN205331074U (en) * | 2015-12-30 | 2016-06-22 | 上海板机液压设备有限公司 | Convenient hydraulic system who inhales oil filter that dismantles |
| CN108267252A (en) * | 2016-12-30 | 2018-07-10 | 比亚迪股份有限公司 | Damper residual stress test device and method |
| CN109596435A (en) * | 2018-12-28 | 2019-04-09 | 洛阳双瑞金属复合材料有限公司 | A kind of test method for testing filter core critical external compressive resistance disruption properties |
| CN216792265U (en) * | 2021-12-30 | 2022-06-21 | 广州极飞科技股份有限公司 | Wind power parameter measuring device and electronic equipment |
| CN114755109A (en) * | 2022-05-12 | 2022-07-15 | 煤科(北京)检测技术有限公司 | Filter element strength testing device for hydraulic support |
Non-Patent Citations (2)
| Title |
|---|
| 何东平等: "油脂工厂设计手册", 31 August 2012, 湖北科学出版社 * |
| 牛百齐等: "传感器与检测技术", 31 October 2020, 机械工业出版社 * |
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